body {
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
}

.box {
	width: 900px;
	height: 500px;
	border: 2px solid saddlebrown;
	display: flex;
}

.box .list {
	width: 200px;
	height: 100%;
	border-right: 2px solid saddlebrown;
	overflow-y: auto;
}

.box .play {
	width: 400px;
	height: 100%;
	border-right: 2px solid saddlebrown;
	background-color: aqua;
}

.box .comments {
	/* width: 300px; */
	flex: 1;
	height: 100%;
	/* background-color: #AAAAAA; */
	overflow-y: auto;
}



